package com.missfresh.cooperation2meituan.util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.List;
import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.missfresh.cooperation2meituan.vo.SysOrder;

/**
 * <ul>
 * <li>1、开发日期：2015-1-29</li>
 * <li>2、作          者：wylizheng</li>
 * <li>3、agent模块http方式通知server类</li>
 * </ul>
 */
public class HttpUtil {
	private static final Logger logger=LoggerFactory.getLogger(HttpUtil.class);
    /**
     * 向指定URL发送GET方法的请求
     * 
     * @param url
     *            发送请求的URL
     * @param param
     *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return URL 所代表远程资源的响应结果
     */
    public static String sendGet(String url, String param) {
        String result = "";
        BufferedReader in = null;
        try {
            String urlNameString = url + "?" + param;
            URL realUrl = new URL(urlNameString);
            logger.info("get方式url--->" +realUrl);
            
            // 打开和URL之间的连接
            URLConnection connection = realUrl.openConnection();
            // 设置通用的请求属性
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 建立实际的连接
            connection.connect();
            // 获取所有响应头字段
            Map<String, List<String>> map = connection.getHeaderFields();
            // 遍历所有的响应头字段
            for (String key : map.keySet()) {
                logger.info(key + "--->" + map.get(key));
            }
            // 定义 BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(
                    connection.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            logger.info("发送GET请求出现异常！" + e);
            e.printStackTrace();
        }
        // 使用finally块来关闭输入流
        finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
        return result;
    }

    /**
     * 向指定 URL 发送POST方法的请求
     * 
     * @param url
     *            发送请求的 URL
     * @param param
     *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public static String sendPost(String url, String param) {
    	//Map<String,Object> map = new HashMap<String, Object>();
        PrintWriter out = null;
        BufferedReader in = null;
        //Integer status = null;
        String result = "";
        try {
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            HttpURLConnection conn = (HttpURLConnection) realUrl.openConnection();
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // 获取URLConnection对象对应的输出流
            out = new PrintWriter(conn.getOutputStream());
            // 发送请求参数
            out.print(param);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(
                    new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
            //status = conn.getResponseCode();
        } catch (Exception e) {
            logger.info("发送 POST 请求出现异常！"+e);
            e.printStackTrace();
        }
        //使用finally块来关闭输出流、输入流
        finally{
            try{
                if(out!=null){
                    out.close();
                }
                if(in!=null){
                    in.close();
                }
            }
            catch(IOException ex){
                ex.printStackTrace();
            }
        }
        //map.put("result", result);
        //map.put("status", status );
        return result;
    }
    
    public static Integer getStatusCode(String url) {
    	Integer status = null;
    	try {  
            URL u = new URL(url);  
            try {  
                HttpURLConnection uConnection = (HttpURLConnection) u.openConnection();  
                try {  
                    uConnection.connect();  
                    System.out.println(uConnection.getResponseCode()); 
                    status = uConnection.getResponseCode();
                    InputStream is = uConnection.getInputStream();  
                    BufferedReader br = new BufferedReader(new InputStreamReader(is));  
                    StringBuilder sb = new StringBuilder();  
                    while(br.read() != -1){  
                        sb.append(br.readLine());  
                    }  
                    String content = new String(sb);  
                    content = new String(content.getBytes("GBK"), "ISO-8859-1");  
                    System.out.println(content);  
                    br.close();  
                } catch (Exception e) {  
                    e.printStackTrace();  
                }  
                  
            } catch (IOException e) {  
                e.printStackTrace();  
            }  
              
        } catch (MalformedURLException e) {  
            e.printStackTrace();  
        }  
    	return status;
    }
    
    public static void main(String[] args) throws Exception {
        //发送 GET 请求
        //String s=HttpUtil.sendGet("http://localhost:6144/Home/RequestString", "key=123&v=456");
        //logger.info(s);
        
        //发送 POST 请求
        SysOrder order = new SysOrder();
        String param = JsonUtil.obj2json(order);
        String sr=HttpUtil.sendPost("http://ma.staging.missfresh.cn/open_api/v1/orders", param);
        System.out.println(sr);
    }
}
